Fix merging bugs with more than two tables

src/Memory/deriveScopeImpl.luau

@@ -25,7 +25,15 @@ local function deriveScopeImpl<T>(
 	local metatable = getmetatable(existing)
 	if methods ~= nil then
 		metatable = table.clone(metatable)
-		metatable.__index = merge("first", table.clone(metatable.__index), methods, ...)
+		metatable.__index = merge(
+			true, {}, 
+			metatable.__index, 
+			merge(
+				false, {},
+				methods, 
+				...
+			)
+		)
 	end
 	local scope = setmetatable(
 		scopePool.reuseAny() :: any or {},

src/Memory/scoped.luau

@@ -18,7 +18,7 @@ local function scoped(
 ): any
 	local scope = setmetatable(
 		scopePool.reuseAny() :: any or {},
-		{__index = merge("none", {}, ...)}
+		{__index = merge(false, {}, ...)}
 	) :: any
 	ExternalDebug.trackScope(scope)
 	return scope

src/Utility/merge.luau

@@ -11,22 +11,24 @@ local Package = script.Parent.Parent
 local External = require(Package.External)
 
 local function merge(
-	overwrite: "none" | "first" | "all",
+	overwrite: boolean,
 	into: {[unknown]: unknown},
-	from: {[unknown]: unknown}?,
 	...: {[unknown]: unknown}
 ): {[unknown]: unknown}
-	if from == nil then
+	local fromTables = {...}
+	if #fromTables < 1 then
 		return into
 	else
-		for key, value in from do
-			if into[key] == nil then
-				into[key] = value
-			elseif overwrite == "none" then
-				External.logError("mergeConflict", nil, tostring(key))
+		for _, fromTable in fromTables do
+			for key, value in fromTable do
+				if into[key] == nil then
+					into[key] = value
+				elseif not overwrite then
+					External.logError("mergeConflict", nil, tostring(key))
+				end
 			end
 		end
-		return merge(if overwrite == "first" then "none" else overwrite, into, ...)
+		return into
 	end
 end